Package com.digitalpebble.stormcrawler.util

Class ConfUtils

java.lang.Object

com.digitalpebble.stormcrawler.util.ConfUtils

public class ConfUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static Map	extractConfigElement(Map conf)	If the config consists of a single key 'config', its values are used instead
static boolean	getBoolean(Map<String,Object> conf, String key, boolean defaultValue)
static boolean	getBoolean(Map<String,Object> conf, String prefix, String optional, String suffix, boolean defaultValue)	Returns the value for prefix + optional + suffix, if nothing is found then return prefix + suffix and if that fails too, the default value
static float	getFloat(Map<String,Object> conf, String key, float defaultValue)
static int	getInt(Map<String,Object> conf, String key, int defaultValue)
static int	getInt(Map<String,Object> conf, String prefix, String optional, String suffix, int defaultValue)	Returns the value for prefix + optional + suffix, if nothing is found then return prefix + suffix and if that fails too, the default value
static long	getLong(Map<String,Object> conf, String key, long defaultValue)
static String	getString(Map<String,Object> conf, String key)
static String	getString(Map<String,Object> conf, String key, String defaultValue)
static String	getString(Map<String,Object> stormConf, String prefix, String optional, String suffix)	Returns the value for prefix + optional + suffix, if nothing is found then return prefix + suffix or null.
static String	getString(Map<String,Object> stormConf, String prefix, String optional, String suffix, String defaultValue)	Returns the value for prefix + optional + suffix, if nothing is found then return prefix + suffix and if that fails too, the default value
static org.apache.storm.Config	loadConf(String resource, org.apache.storm.Config conf)
static List<String>	loadListFromConf(String prefix, String optional, String suffix, Map stormConf)	Return one or more Strings regardless of whether they are represented as a single String or a list in the config for the combination all 2 String parameters.
static List<String>	loadListFromConf(String paramKey, Map stormConf)	Return one or more Strings regardless of whether they are represented as a single String or a list in the config or an empty List if no value could be found for that key.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInt

public static int getInt(Map<String,Object> conf,
                         String prefix,
                         String optional,
                         String suffix,
                         int defaultValue)

Returns the value for prefix + optional + suffix, if nothing is found then return prefix + suffix and if that fails too, the default value

getInt

public static int getInt(Map<String,Object> conf,
                         String key,
                         int defaultValue)

getLong

public static long getLong(Map<String,Object> conf,
                           String key,
                           long defaultValue)

getFloat

public static float getFloat(Map<String,Object> conf,
                             String key,
                             float defaultValue)

getBoolean

public static boolean getBoolean(Map<String,Object> conf,
                                 String prefix,
                                 String optional,
                                 String suffix,
                                 boolean defaultValue)

Returns the value for prefix + optional + suffix, if nothing is found then return prefix + suffix and if that fails too, the default value

getBoolean

public static boolean getBoolean(Map<String,Object> conf,
                                 String key,
                                 boolean defaultValue)

getString

public static String getString(Map<String,Object> stormConf,
                               String prefix,
                               String optional,
                               String suffix)

Returns the value for prefix + optional + suffix, if nothing is found then return prefix + suffix or null.

getString

public static String getString(Map<String,Object> conf,
                               String key)

getString

public static String getString(Map<String,Object> stormConf,
                               String prefix,
                               String optional,
                               String suffix,
                               String defaultValue)

Returns the value for prefix + optional + suffix, if nothing is found then return prefix + suffix and if that fails too, the default value

getString

public static String getString(Map<String,Object> conf,
                               String key,
                               String defaultValue)

loadListFromConf

public static List<String> loadListFromConf(String paramKey,
                                            Map stormConf)

Return one or more Strings regardless of whether they are represented as a single String or a list in the config or an empty List if no value could be found for that key.

loadListFromConf

public static List<String> loadListFromConf(String prefix,
                                            String optional,
                                            String suffix,
                                            Map stormConf)

Return one or more Strings regardless of whether they are represented as a single String or a list in the config for the combination all 2 String parameters. If nothing is found, try using the prefix and suffix only to see if a more generic param was set e.g. "opensearch." + "status." + "addresses" then "opensearch."+"addresses"

Parameters:

prefix - non-optional part of the key

optional - string to be tried first

suffix - non-optional part of the key

Returns:

List of String values

loadConf

public static org.apache.storm.Config loadConf(String resource,
                                               org.apache.storm.Config conf)
                                        throws FileNotFoundException

Throws:

FileNotFoundException

extractConfigElement

public static Map extractConfigElement(Map conf)

If the config consists of a single key 'config', its values are used instead